Daniel Almeida, wanda ke aiki a kan ƙirƙirar kod ɗin bidiyo a Collabora, ya saka a cikin jerin aika saƙonnin masu haɓakawa Linux- aiwatar da farko na direban Tyr don ARM Mali GPUs waɗanda ke amfani da fasahar Command Stream Frontend (CSF), kamar Mali G310, G510, da G710. An rubuta lambar direban da Rust kuma ya ƙunshi layukan lamba sama da 600. Collabora, Arm, da Google suna gudanar da aikin direban Tyr tare.
Tsarin ƙirƙira sabon direba yana amfani da ɓangarori na direban rust_platform_driver mai ƙima da direban Nova, wanda aka haɓaka don NVIDIA GPUs, an rubuta shi cikin Rust kuma an ƙara wani sashi zuwa kernel 6.15. Ana fitar da ayyuka don hulɗa tare da GPU na Mali daga direban DRM na yanzu na Panthor (Direct Rendering Manager), wanda aka rubuta a cikin C. UAPI direban Tyr yayi daidai da uAPI direban Panthor, wanda ke ba da damar yin amfani da abubuwan haɗin sararin mai amfani tare da shi.
Fasahar CSF, wacce aka yi amfani da ita tun daga ƙarni na 10 na GPUs na Mali, sananne ne don matsar da wasu ayyukan direba zuwa ɓangaren firmware da amfani da sabon samfuri don tsara aiwatar da aikin akan GPU. A cikin GPUs tare da ƙirar CSF, maimakon ƙirar da ta dogara akan aika jerin ayyuka, ana amfani da samfurin da ya dogara da kwararar umarni tare da tsara layin kwararar umarni a gefen firmware. Don tsara aikin mai tsarawa, an gina wani microcontroller na Cortex-M7 a cikin GPU, kuma an ba da sashin aiwatar da umarni na musamman (Sashin aiwatar da Umurni) don aiwatar da umarnin CSF.
Ayyukan Tyr har yanzu yana baya bayan direban Panthor, amma masu haɓakawa sun yi niyyar rage gibin a hankali har sai an sami daidaiton iyawar direba. Siffofin da suka ɓace suna buƙatar ƙarin abstractions don haɗawa cikin kwaya don ƙirƙirar direbobi a cikin Tsatsa, don haka haɓakar direban Tyr za a daidaita shi tare da ƙari na waɗannan abstractions zuwa kernel. Misali, kernel din ba shi da ikon yin taswirar ƙwaƙwalwar ajiya a cikin direbobin Rust don GPUs, waɗanda ake haɓakawa a cikin saitin facin GPUVM, wanda har yanzu ba a karɓi shi ba.
source: budenet.ru
